Question about Sony KDS-50A2000 50" HDTV

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Suddenly turned off without warning Sony KDS-50A2000

Suddenly turned off without warning. Power button is flashing green. It flashes green 14 times and then sounds like it tries to restart.....and then just keeps flashing green continually after that. Lamp looks good. Fan remains on during this entire process. There is no red light at any moment. Constant green light flashing on power button with no picture or sound.

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Symptom shows tv needs lamp replacement as existing lamp is reaching to end of its working life and causing that problem.
If you have not replaced lamp in last 2-3 years, replace it to fix the tv issue. I can explain why tv shuts down itself and turns back on.

I do not agree with info provided about bulged capacitors in power supply so please do not take off back of tv unnecessarily.

Lamp replacement procedure would be written in user manual and let me know if you need to download manual copy.
Thanks.

Posted on Jul 23, 2010

  • kitkat8478 Oct 23, 2010

    I'm having the same problem with my sxrd kds-r50xbr1. The tv goes on and off and the green power light flashes. I just had my lamp and optical block replaced a few months ago. Anyone have any solutions?

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Hello,

All you need is to open the back cover of the television and check on for dry soldering at the power stage of the printed circuit board, also check for bulged capacitors, if found replace with same rating of voltages , but if otherwise Ur power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get ur tv power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Hope this helout, Good luck....

Posted on Jul 11, 2010

Testimonial: "Very prompt and insightful. I'll try it out"

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Sony KDS-50A2000 Service Manual


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Models: KDS-50A2000 / KDS-50A2010 / KDS-55A2000 / KDS-60A2000 / KDS-60A2010

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I hope that helps.
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on May 06, 2010 | Sony KDS-50A2000 50" HDTV

1 Answer

Sony kds-r60xbr2 power wont come on and hte power led is blinking red 5 times


The 5 blinks is indicating the lamp ballast needs replacement your model uses the Sony lamp Ballast 147401211 for sony models KDF42E2000, KDS-50A2000, KDS-50A2010, KDS-55A200, KDS-60A2000, KDS-60A2010, & KDS-60XBR2 amd LDS-R60XBR2
Which is available at the bottom of the page at the following link. The ballast comes with installation instructions,
http://www.tvrepairworld.com/sony_circuit_boards/sony_dlp_circuit_boards

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I have a Sony KDS-50A2000 and when I try to power it on, the green light flashes like normal and then without the screen ever lighting up, the power light flashes red 9 times, then pauses and repeats this...


Now that you have the blink code, Google your make and model with blink codes added to the end. This will show you links to sites that will tell you what the nine blinks mean.

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Will not come on. red light flashes 4 times


Never a good sign when you have red flashing codes

4 times, Diagnosis: Vertical deflection stopped. Possible causes: +- 15V is not supplied. (D board), IC8003 is faulty. (A board) Symptoms of the problem: TV has entered standby state after horizontal raster, Vertical deflection pulse is stopped, Power line is shorted or power supply is stopped.


Please rate my help++++Thanks for using FIXYA

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I have the same problem with my unit. I've been removing the bulb and just replace it back and unit will work again. I probably need to vacuum or check the fan out too.

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Sony KDS-50A2000 T.V won't turn on, power light flashes red 4 times.


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